Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/0FNok7Mr"]
[Date "2026.05.22"]
[White "RoWaN"]
[Black "Sawyer"]
[Result "0-1"]
[UTCDate "2026.05.22"]
[UTCTime "20:12:44"]
[WhiteElo "1688"]
[BlackElo "1676"]
[WhiteRatingDiff "-11"]
[BlackRatingDiff "+12"]
[WhiteTitle "NM🎼"]
[BlackTitle "GM🌋"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C45"]
[Opening "Scotch Game: Classical Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 { C45 Scotch Game: Classical Variation } 5. c3? { (0.35 → -1.04) Mistake. Nb3 was best. } (5. Nb3 Bb6 6. Qe2 a5 7. a4 Nf6 8. Nc3 O-O 9. Bg5 h6 10. Bh4 Nd4 11. Nxd4 Bxd4) 5... Qf6? { (-1.04 → 0.25) Mistake. Nf6 was best. } (5... Nf6 6. Nd2) 6. Be3 Bxd4?? { (0.24 → 2.90) Blunder. Nge7 was best. } (6... Nge7 7. Bb5 Bb6 8. O-O O-O 9. Nc2 Qe6 10. Bd3 d5 11. Nd2 Ne5 12. Be2 Bxe3 13. Nxe3) 7. cxd4 Qe7 8. Nc3 Nf6?! { (3.48 → 4.89) Inaccuracy. d6 was best. } (8... d6 9. Bd3) 9. Bd3?! { (4.89 → 3.54) Inaccuracy. e5 was best. } (9. e5 Ng8 10. Bc4 d5 11. Bxd5 Be6 12. Bf3 Nh6 13. Bxc6+ bxc6 14. Qa4 O-O 15. Bxh6 gxh6) 9... Nb4 10. Bb1 d5 11. e5 Nd7?? { (3.12 → 6.85) Blunder. Ne4 was best. } (11... Ne4) 12. O-O?? { (6.85 → 2.79) Blunder. a3 was best. } (12. a3 Nc6 13. Nxd5 Qd8 14. Qg4 g6 15. Qf4 O-O 16. O-O Ne7 17. Nxe7+ Qxe7 18. Ba2 c6) 12... c6? { (2.79 → 4.95) Mistake. Nb6 was best. } (12... Nb6 13. b3 Bd7 14. Qd2 O-O-O 15. Bg5 f6 16. Bh4 Nc6 17. f4 Qb4 18. exf6) 13. a3 Na6 14. b4?? { (4.83 → 2.31) Blunder. f4 was best. } (14. f4) 14... b5? { (2.31 → 4.62) Mistake. O-O was best. } (14... O-O 15. Bd3) 15. Ne2?! { (4.62 → 3.27) Inaccuracy. f4 was best. } (15. f4) 15... Bb7? { (3.27 → 6.12) Mistake. Nb6 was best. } (15... Nb6) 16. Ng3 O-O-O 17. Bf5?! { (7.26 → 4.65) Inaccuracy. Nf5 was best. } (17. Nf5 Qf8) 17... g6 18. Bxd7+ Rxd7 19. Qd2 f6 20. Rfe1 fxe5 21. Bg5 Qe8?! { (4.39 → 5.68) Inaccuracy. Qf7 was best. } (21... Qf7 22. Rxe5) 22. Rxe5 Qf7 23. Rae1 Kc7 24. Bf4 Kb6 25. Bg5 Rf8?! { (5.66 → 8.14) Inaccuracy. h6 was best. } (25... h6 26. Be7) 26. Re7 Rxe7 27. Rxe7 Qg8 28. Ne2?? { (9.20 → 3.41) Blunder. a4 was best. } (28. a4) 28... Rf7?! { (3.41 → 4.64) Inaccuracy. Re8 was best. } (28... Re8 29. Nc1 Bc8 30. Nb3 Nc7 31. Qc3 Rxe7 32. Qc5+ Kb7 33. Na5+ Ka8 34. Qxc6+ Kb8 35. Bxe7) 29. Nf4?! { (4.64 → 3.00) Inaccuracy. Re3 was best. } (29. Re3 Bc8 30. Nc1 Nc7 31. Qe1 h6 32. Be7 g5 33. Nd3 Qh7 34. Bd6 g4 35. Ne5 Rf6) 29... Qf8?? { (3.00 → 6.50) Blunder. Rxe7 was best. } (29... Rxe7 30. Bxe7 Bc8 31. Nd3 Kb7 32. h3 Nc7 33. Nc5+ Ka8 34. Nb3 Qe6 35. Bd8 Ne8 36. Qc1) 30. Ne6 Qg8 31. Rxf7 Qxf7 32. Nc5?? { (8.84 → 1.38) Blunder. Bd8+ was best. } (32. Bd8+) 32... Nxc5 33. dxc5+ Kc7? { (1.44 → 2.93) Mistake. Ka6 was best. } (33... Ka6 34. h3) 34. Bf4+ Kd8?! { (2.96 → 4.57) Inaccuracy. Kd7 was best. } (34... Kd7) 35. Bg5+?! { (4.57 → 3.17) Inaccuracy. Qd4 was best. } (35. Qd4 Kd7 36. h4 Bc8 37. Qe5 Qe6 38. Qc7+ Ke8 39. Qxh7 Qf7 40. Qh8+ Qf8 41. Qd4 Kf7) 35... Kc7 36. Qe3? { (3.26 → 1.76) Mistake. Bf4+ was best. } (36. Bf4+ Kd7 37. Qd4 Qf5 38. h3 Ke6 39. Bd6 Qf6 40. Qg4+ Qf5 41. Qh4 Qf7 42. f3 Bc8) 36... Bc8 37. Qg3+ Kb7?! { (1.12 → 1.87) Inaccuracy. Kb7 was best. } (37... Kb7 38. Qc3 Qf5 39. h4 Qf7 40. f3 Bf5 41. Qe5 Qd7 42. Qd4 Ka6 43. Kf2 Be6 44. Bf4) 38. Be3? { (1.87 → 0.62) Mistake. Qc3 was best. } (38. Qc3) 38... Qg7 39. Qd6?? { (0.80 → Mate in 2) Checkmate is now unavoidable. h3 was best. } (39. h3 d4 40. Bd2 Be6 41. f3 Qd7 42. Qe5 Bc4 43. Kf2 Be6 44. Bf4 Ka6 45. Qb8 Qe7) 39... Qa1+ 40. Bc1 Qxc1# { Black wins by checkmate. } 0-1